September weather forecastNew Vienna, OH
September
Weather in September
September, the first month of the autumn in New Vienna, is still a warm month, with temperature in the range of an average low of 57.2°F (14°C) and an average high of 76.3°F (24.6°C).Temperature
The arrival of September is marked by an average high-temperature of a still moderately hot 76.3°F (24.6°C), bearing a close resemblance to August. In New Vienna, an average nighttime temperature of 57.2°F (14°C) is expected during September.Humidity
In New Vienna, the average relative humidity in September is 77%.Rainfall
September is the month with the least rainfall in New Vienna. Rain falls for 12 days and accumulates 1.26" (32mm) of precipitation.Snowfall
In New Vienna, snow does not fall in May through September.Daylight
In September, the average length of the day is 12h and 26min.On the first day of September in New Vienna, sunrise is at 7:03 am and sunset at 8:05 pm. On the last day of the month, sunrise is at 7:30 am and sunset at 7:18 pm EDT.
Sunshine
In New Vienna, the average sunshine in September is 8.3h.UV index
In New Vienna, the average daily maximum UV index in September is 4. A UV Index of 3 to 5 symbolizes a moderate health risk from unprotected exposure to Sun's UV rays for average individuals.Note: A daily maximum UV index of 4 in September translates into the following instructions:
Take necessary precautions - Suggestions to elude sunburn are provided. Around midday, solar radiation is most harmful; hence, exposure should be limited. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation.
Published by: Weather U.S. | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in September
New Vienna, OH
- Average high temperature in September: 76.3°F
The warmest month (with the highest average high temperature) is July (82.4°F).
The month with the lowest average high temperature is January (35.1°F).
- Average low temperature in September: 57.2°F
The month with the highest average low temperature is July (64.4°F).
The coldest month (with the lowest average low temperature) is January (22.6°F).
Average pressure in September
New Vienna, OH
- Average pressure in September: 30.04"Hg
The months with the highest atmospheric pressure are January and November (30.14"Hg).
The month with the lowest atmospheric pressure is June (29.94"Hg).
Average wind speed in September
New Vienna, OH
- Average wind speed in September: 6.1mph
The windiest month (with the highest average wind speed) is January (9.7mph).
The calmest months (with the lowest average wind speed) are July and August (5.5mph).
Average humidity in September
New Vienna, OH
- Average humidity in September: 77%
The months with the highest relative humidity are January, February and December (82%).
The month with the lowest relative humidity is October (75%).
Average rainfall in September
New Vienna, OH
- Average rainfall in September: 1.26"
The wettest month (with the highest rainfall) is May (2.64").
The driest month (with the least rainfall) is September (1.26").
Average rainfall days in September
New Vienna, OH
- Average rainfall days in September: 12 days
The month with the highest number of rainy days is May (17.8 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in September
New Vienna, OH
- Average snowfall in September: 0"
The month with the highest snowfall is February (2.56").
The months with the least snowfall are May, June, July, August and September (0").
Average snowfall days in September
New Vienna, OH
- Average snowfall days in September: 0 days
The month with the highest number of snowfall days is January (8.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in September /
Average sunshine in September
New Vienna, OH
- Average daylight in September: 12h and 24min
The month with the longest days is June (Average daylight: 14h and 54min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in September: 8h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in September
New Vienna, OH
- Average sunshine days in September: 16.1 days
The month with the most sunshine days is November (19.5 days).
The month with the least sunshine days is May (10.8 days).
Average UV index in September
New Vienna, OH
- Average UV index in September: 4
The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in September
New Vienna, OH
- Average cloud cover in September: 33
The month with the most cloud cover is January (Cloud cover 60).
The month with the least cloud cover is August (Cloud cover 28).
Average visibility in September
New Vienna, OH
- Average visibility in September: 6mi
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (6mi).





